seafile-server: Update to 6.3.4

Switched to codeload for simplicity and easier package bumping.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

net/seafile-server/patches/090-django-11-compat.patch

@@ -0,0 +1,22 @@
+diff --git a/tools/seafile-admin b/tools/seafile-admin
+index 495ceab..72b6a07 100755
+--- a/tools/seafile-admin
++++ b/tools/seafile-admin
+@@ -502,7 +502,7 @@ def init_seahub():
+     # create seahub_settings.py
+     create_seahub_settings_py()
+ 
+-    argv = [PYTHON, 'manage.py', 'syncdb']
++    argv = [PYTHON, 'manage.py', 'migrate']
+     # Set proper PYTHONPATH before run django syncdb command
+     env = get_seahub_env()
+ 
+@@ -512,7 +512,7 @@ def init_seahub():
+     print
+ 
+     if run_argv(argv, cwd=seahub_dir, env=env) != 0:
+-        error('Seahub syncdb failed')
++        error('Seahub migrate failed')
+ 
+     info('done')
+